Using appropriate polarization diagrams, determine the effect of the follow- ing parameters on the corrosion potential and corrosion rate of a metal M cor- roding to dissolved M* in an acid solution under activation control with all other parameters constant: (a) increasing i, of the anodic reaction (b) increasing i, of the cathodic reaction (c) increasing the concentration of dissolved H* (d) increasing the Tafel constant of the anodic reaction.